Patent · US Expired

Apparatus and method for activation of a digital signal processor in an idle mode for interprocessor transfer of signal groups in a digital signal processing unit

US6789183B1 · kind B1 · utility

30Cited by
11References
12Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 27, 2000
Grant dateSep 7, 2004
Priority date
Expiry dateSep 12, 2022

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02D10/00
  • WIPO fieldComputer technology
  • WIPO sectorElectrical engineering

Abstract

In a digital processing unit having a plurality of digital signal processors, a first digital signal processor can request a direct transfer of a signal group stored in the memory unit of a second digital signal processor. In order to insure that the second digital signal is active, a control signal is generated by the direct memory access controller of the first digital signal processor. The control signal is applied the directly to the memory access controller of the second digital signal processor. When the second digital signal processor is in an IDLE mode, the control signal activates the second digital signal processor.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.